{"product_id":"gates-21948-radiator-coolant-hose","title":"Gates 21948 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21948\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21948 is designed for reliable cooling system performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Lumina APV, Lumina Van, Riviera, Silhouette, and Trans Sport.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eMolded design for precise fit and secure installation\u003c\/li\u003e\n\u003cli\u003eCenterline length of 16.4 inches (417 mm) for accurate routing\u003c\/li\u003e\n\u003cli\u003eInside diameter of 1.3 inches (33 mm) on both ends for consistent coolant flow\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM makes and models including Buick, Chevrolet, Oldsmobile, and Pontiac\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on the Molded Coolant Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle cooling system layouts. This eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. The molded construction of part number 21948 ensures a precise fit for the intended applications, improving durability and system efficiency.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.3 inches (33 mm), providing consistent flow capacity. The hose measures 16.4 inches (417 mm) in centerline length, designed to fit the cooling system routing of compatible vehicles without modification. The hose does not contain any internal springs or quick connect fittings, simplifying installation and maintenance.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in Buick Lumina APV and Lumina Van\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant flow in Chevrolet Silhouette and Trans Sport cooling systems\u003c\/li\u003e\n\u003cli\u003eFixing leaks caused by hose degradation in Oldsmobile Riviera models\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to damaged or collapsed hoses\u003c\/li\u003e\n\u003cli\u003eEnsuring secure coolant circulation in Pontiac vehicles requiring a molded hose design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your vehicle’s make and model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the cooling system is cool and depressurized prior to hose removal\u003c\/li\u003e\n\u003cli\u003eInspect hose connections and clamps for wear and replace if necessary\u003c\/li\u003e\n\u003cli\u003eAlign the molded hose carefully to avoid twisting or kinking during installation\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation by running the engine and monitoring coolant flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21948 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307265024181,"sku":"BBSC-21948","price":28.12,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21948_Fro.jpg?v=1775146025","url":"https:\/\/www.partcatalog.com\/products\/gates-21948-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}